Finding the Fourth Proportional to 248,431.62, 342,841.80 and 135,260.58
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Solution
The fourth proportional to 248,431.62, 342,841.80 and 135,260.58 is: 186,662.96
Step by Step Solution
- Step 1: Write the proportion equation
248,431.62 : 342,841.80 = 135,260.58 : x - Step 2: Convert to fraction form
248,431.62/342,841.80 = 135,260.58/x - Step 3: Cross multiply
248,431.62x = 342,841.80 × 135,260.58 - Step 4: Simplify right side
248,431.62x = 46,372,980,716.24 - Step 5: Solve for x
x = 46,372,980,716.24/248,431.62 - Step 6: Final answer
x = 186,662.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.